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Ito, Takahiko*; Nakanishi, Shigemitsu*; Umezawa, Kenji*; Yamamoto, Shunya; Narumi, Kazumasa; Naramoto, Hiroshi
JAERI-Review 99-025, TIARA Annual Report 1998, p.182 - 184, 1999/10
no abstracts in English
Kudo, Hiroshi*; Sakamoto, Akihiko*; Yamamoto, Shunya; Aoki, Yasushi; Naramoto, Hiroshi; Inoue, Tomoyasu*; Sato, Msataka*; Yamamoto, Yasuhiro*; Umezawa, Kenji*; Seki, Seiji*
Japanese Journal of Applied Physics, Part 2, 35(11B), p.L1538 - L1541, 1996/11
no abstracts in English
Kamiura, Yoshitomo*; Umezawa, Kenji*; Teraoka, Yuden; Yoshigoe, Akitaka
no journal, ,
Nitrogen ion beams (N
, N
) with kinetic energy of 2.5 keV were irradiated to poly W surfaces with thin oxide films at room temperature. The element ratio and depth profile of chemical bonding states for the modified-W surface were analyzed by photoemission spectroscopy with the surface reaction analysis apparatus at the BL23SU in the SPring-8. W4f photoemission spectra were observed using synchrotron radiation of 592 eV for the W surfaces which were irradiated by nitrogen ion beams with the dose of 2
10
ions/cm
. Nitridized W in addition to metal W4f
, W4f
and their oxidized components were observed. N1s photoemission spectra, which were simultaneously measured, showed a chemical shift in the high energy side. This implies that nitrogen atoms were in the dpper positions.
Kamiura, Yoshitomo*; Umezawa, Kenji*; Teraoka, Yuden; Yoshigoe, Akitaka
no journal, ,
no abstracts in English
C-beam-implanted W surfaceUmezawa, Kenji*; Kamiura, Yoshitomo*; Teraoka, Yuden; Yoshigoe, Akitaka; Harries, J.
no journal, ,
no abstracts in English
